Process for the preparation of 2,3-dimercaptosuccinic acid and i

Details Process for the preparation of 2,3-dimercaptosuccinic acid and i Process for the preparation of 2,3-dimercaptosuccinic acid and i

1982-06-07

1985-10-29

Garner, Vivian

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

260453RY, 562594, C07C14920, C07C14800

Patent

active

045501939

ABSTRACT:
2,3-dimercaptosuccinic acid and esters thereof are prepared by reacting sodium thiosulfate with acetylene dicarboxylic acid in the presence of a strong acid and subjecting the resulting alkylthiosulfate to an acid hydrolysis. The 2,3-dimercaptosuccinic acids and esters thereof are useful as an antidote for heavy metal poisoning.

REFERENCES:
patent: 2594030 (1952-04-01), Coons et al.
patent: 3616373 (1971-10-01), Heiba
patent: 4172207 (1979-10-01), Mack

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